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HK USP 40 Jams

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4 comments

  • CA Blue
    My USP 40 feeds anything except steel cased Wolf ammo.
    0
  • CA Blue
    My USP 40 digests anything except it consistently fails to extract with steel cased Wolf ammo.
    0
  • spclark
    Wolf ammo is lacquered to resist rust; once fired, the lacquer softens & will make case extraction difficult and can also lead to lacquer build-up inside your chamber.I've never had a jam in my USP .40; I've shot maybe 6000 rounds in the 18 months I've owned it, factory & (mostly) handloaded ammo.
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  • rsnyder55
    I use my USP40 for IDPA and have never had a jam or misfire.
    0

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